CN2539691Y

CN2539691Y - Driving device for bicycle and tricycle

Info

Publication number: CN2539691Y
Application number: CN 02211084
Authority: CN
Inventors: 郭生文
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-05
Filing date: 2002-04-05
Publication date: 2003-03-12
Anticipated expiration: 2012-04-05

Abstract

The utility model relates to a novel drive unit for bicycle and tricycle which utilizes manpower effectively to eliminate stressed dead-angle, belonging to a technical field of manpower driving traffic tool. The utility model is composed of a central axis arranged in axis bush via a central axis bowl, a bearing 19 that is arranged on the central axis from left to right and is arranged with a gear 6 and an end cap, a gear 13, a gear 7 with partial teeth at circumference, a bearing 18 arranged with a gear 8 and a flywheel 14, a flywheel 15 arranged with a gear 12, a gear 5 with partial teeth at the circumference, a gear 11, a transmission shaft of a gear 10, a left crank, a right crank, a gear disc and an end axis, the end axis is vertically arranged at left end of the end cap, the gear disc is movably connected with the flywheel, the left crank is arranged on the end axis, the right crank is arranged at the right end of the central axis. The utility model can be used in the bicycle and the tricycle to improve the movement velocity and grade capability.

Description

The new drive device of bicycle and three-wheel vehicle

Technical field: the utility model relates to the new drive device of a kind of bicycle and three-wheel vehicle, belongs to the manually driven technical field of transportation means.

Background technology: well-known, bicycle, three-wheel vehicle is since come out, just be to be that 180 ° car is pedaled and done 360 ° of circular movements relatively by two angles of cut always, and by the chain drive trailing wheel rotation that is connected on the axis, reach the purpose that takes a bus instead of walking, up at present, although bicycle is ever-changing, but two angles of cut are 180 ° car to be pedaled the mode of doing 360 ° of circular movements relatively and remains unchanged, because rider's both feet are to be the center of circle with the axis, crank is that radius is being stepped on pedal and made circular movement, scrunch every pin of a circle and can only make energetically in the scope of 140 ° of positive precontracts at most, and when crank during soon perpendicular to ground, drive torque is very little or be zero about 40 ° stressed dead angle that occurs, can not the continuous drive car, this goes up a slope or quicken car all is disadvantageous.

Summary of the invention: for the kinetic force that the people is sent is used more effectively, improve bicycle, the kinematic velocity of three-wheel vehicle and hill climbing ability, when solving crank that existing bicycle and three-wheel vehicle exist soon perpendicular to ground, drive torque is little or be zero the problem at dead angle to occur, design the new drive device of a kind of bicycle and three-wheel vehicle, by axis, the end axle, transmission shaft, left side crank, the gear (5) that the part tooth is arranged on the circumference, gear (6), the gear (7) that the part tooth is arranged on the circumference, gear (8), right crank, gear (10), gear (11), gear (12), gear (13), flywheel (14), flywheel (15), axle sleeve, fluted disc (17), bearing (18), bearing (19), bottom bracket cup (20), bottom bracket cup (21) and end cap are formed; In axle sleeve, rotating axis is installed through bottom bracket cup (20) and bottom bracket cup (21), on the bearing (19) that the axis left end is installed, be fixed with and drive gear (6) and the end cap that bearing (19) rotates together, can drive the end axle that one plays rotation at the end cap outer shaft to being fixed with, be fixed with left crank on the end axle, on the bearing (18) that the right-hand member of axis is installed, be fixed with and drive gear (8) and the flywheel (14) that bearing (18) rotates together, right side axis at bearing (18) is fixed with flywheel (15) and right crank, the right side sees that the plane included angle scope of left crank and right crank is the 100-170 degree, on axis in the middle of bottom bracket cup (20) and the bottom bracket cup (21), be fixed with the gear of part tooth (7) is arranged on gear (13) and the circumference, on transmission shaft, be fixed with successively from left to right and gear (6) gears in mesh (12), with the gear (5) that the part tooth is arranged on gear (13) the ingear circumference, with the gear that the part tooth is arranged on the circumference (7) gears in mesh (11) and with gear (8) gears in mesh (10), being equipped with on flywheel (14) and flywheel (15) can be by the fluted disc (17) of its drive; Change according to gear (7) and gear (11) ingear transmitting ratio that the part tooth is arranged on the gear that the part tooth is arranged on the circumference (5) and gear (13) and the circumference according to the angle between different needs two cranks, promptly by having the number of teeth number of the gear (7) of part tooth to decide on the number of teeth number of the gear that the part tooth is arranged on the circumference (5) and the circumference; Having on the circumference on the gear (5) of part tooth and gear (13), gear (11) and the circumference has the gear (7) of part tooth can exchange, be installed in respectively on axis and the transmission shaft; This device can oppositely be installed in the axle sleeve of bicycle and three-wheel vehicle; Axis and end axle can be loaded onto simultaneously and drive the fluted disc that trailing wheel rotates; The beneficial effects of the utility model are: the kinetic force that the people is sent is used more effectively, improve the kinematic velocity and the hill climbing ability of bicycle, three-wheel vehicle, when solving crank that existing bicycle and three-wheel vehicle exist, drive torque is little or be zero the problem at dead angle to occur soon perpendicular to ground.

Description of drawings:

Accompanying drawing: front elevation cuts open in the new drive device office of bicycle and three-wheel vehicle.

Among the figure: 1 axis, 2 end axles, 3 transmission shafts, 4 left cranks, the gear that the part tooth is arranged on 5 circumference, 6 gears have the gear of part tooth, 8 gears on 7 circumference, 9 right cranks, 10 gears, 11 gears, 12 gears, 13 gears, 14 flywheels, 15 flywheels, 16 axle sleeves, 17 fluted discs, 18 bearings, 19 bearings, 20 bottom bracket cups, 21 bottom bracket cups, 22 end caps.

The specific embodiment:

Below in conjunction with accompanying drawing structure of the present utility model is done further narration:

The new drive device of bicycle and three-wheel vehicle is by having gear (7), gear (8), right crank (9), gear (10), gear (11), gear (12), gear (13), flywheel (14), flywheel (15), axle sleeve (16), fluted disc (17), bearing (18), bearing (19), bottom bracket cup (20), bottom bracket cup (21) and the end cap (22) of part tooth to form on the gear (5) that the part tooth is arranged on axis (1), end axle (2), transmission shaft (3), left crank (4), the circumference, gear (6), the circumference; In axle sleeve (16), rotating axis (1) is installed through bottom bracket cup (20) and bottom bracket cup (21), on the bearing (19) that axis (1) left end is installed, be fixed with and drive gear (6) and the end cap (22) that bearing (19) rotates together, can drive the end axle (2) that one plays rotation at end cap (22) outer shaft to being fixed with, be fixed with left crank (4) on the end axle (2), on the bearing (18) that the right-hand member of axis (1) is installed, be fixed with and drive gear (8) and the flywheel (14) that bearing (18) rotates together, on the right side axis (1) of bearing (18), be fixed with flywheel (15) and right crank (9), the right side sees that the plane included angle scope of left crank (4) and right crank (9) is the 100-170 degree, on axis (1) in the middle of bottom bracket cup (20) and the bottom bracket cup (21), be fixed with the gear of part tooth (7) is arranged on gear (13) and the circumference, on transmission shaft (3), be fixed with successively from left to right and gear (6) gears in mesh (12), with the gear (5) that the part tooth is arranged on gear (13) the ingear circumference, with the gear that the part tooth is arranged on the circumference (7) gears in mesh (11) and with gear (8) gears in mesh (10), being equipped with on flywheel (14) and flywheel (15) can be by the fluted disc (17) of its drive; Change according to gear (7) and gear (11) ingear transmitting ratio that the part tooth is arranged on the gear that the part tooth is arranged on the circumference (5) and gear (13) and the circumference according to the angle between different needs two cranks, promptly by having the number of teeth number of the gear (7) of part tooth to decide on the number of teeth number of the gear that the part tooth is arranged on the circumference (5) and the circumference; Having on the circumference on the gear (5) of part tooth and gear (13), gear (11) and the circumference has the gear (7) of part tooth can exchange, be installed in respectively on axis (1) and the transmission shaft (3); This device can oppositely be installed in the axle sleeve (16) of bicycle and three-wheel vehicle; Axis (1) and end axle (2) can be loaded onto simultaneously and drive the fluted disc (17) that trailing wheel rotates.

Principle of work of the present utility model:

As shown in drawings: stressed the rotating of left crank (4) drives end axle (2), end cap (22), bearing (19) and gear (6) rotate, the rotation of gear (6) drives with its gears in mesh (12) and transmission shaft (3) and rotates, the rotation of transmission shaft (3) drives the gear (5) of part tooth to be arranged and make with its gears in mesh (13) on the circumference and rotates, part tooth on gear (5) circumference and gear (13) ingear transmitting ratio are: part tooth on gear (5) circumference rotates 140 ° and then rotates 220 ° with its gears in mesh (13), so left crank (4) is stressed to rotate 140 °, 220 ° of the equidirectional rotations of right crank (9), at this moment, left side crank (4) has forwarded the position of right crank (9) to, right crank (9) has also forwarded the position of left crank (4) to, because it is the same having on gear (13) and the circumference and on transmitting ratio between the gear (5) of part tooth and the circumference gear (7) of part tooth and the transmitting ratio between gear (11) being arranged, part tooth on the part tooth that different is on gear (5) circumference and the engagement time of gear (13) and gear (7) circumference is different with the engagement time of gear (11), the tooth that is part tooth and gear (13) on gear (5) circumference separates, part tooth on gear (7) circumference and gear (11) engagement, so left crank (4) and right crank (9) can go down by continuous rotation, two cranks remain the plane included angle in the dead ahead be 140 °, makes people's foot-operated strength can obtain the actv. utilization.

According to different needs, this gear system can be installed in any position of axis, transmission shaft, also can be installed in the same axle sleeve.

Claims

1, the new drive device of a kind of bicycle and three-wheel vehicle is by having gear (7), gear (8), right crank (9), gear (10), gear (11), gear (12), gear (13), flywheel (14), flywheel (15), axle sleeve (16), fluted disc (17), bearing (18), bearing (19), bottom bracket cup (20), bottom bracket cup (21) and the end cap (22) of part tooth to form on the gear (5) that the part tooth is arranged on axis (1), end axle (2), transmission shaft (3), left crank (4), the circumference, gear (6), the circumference; It is characterized in that: in axle sleeve (16), rotating axis (1) is installed through bottom bracket cup (20) and bottom bracket cup (21), on the bearing (19) that axis (1) left end is installed, be fixed with and drive gear (6) and the end cap (22) that bearing (19) rotates together, can drive the end axle (2) that one plays rotation at end cap (22) outer shaft to being fixed with, be fixed with left crank (4) on the end axle (2), on the bearing (18) that the right-hand member of axis (1) is installed, be fixed with and drive gear (8) and the flywheel (14) that bearing (18) rotates, on the right side axis (1) of bearing (18), be fixed with flywheel (15) and right crank (9), the right side sees that the plane included angle scope of left crank (4) and right crank (9) is the 100-170 degree, on axis (1) in the middle of bottom bracket cup (20) and the bottom bracket cup (21), be fixed with the gear of part tooth (7) is arranged on gear (13) and the circumference, on transmission shaft (3), be fixed with successively from left to right and gear (6) gears in mesh (12), with the gear (5) that the part tooth is arranged on gear (13) the ingear circumference, with the gear that the part tooth is arranged on the circumference (7) gears in mesh (11) and with gear (8) gears in mesh (10), being equipped with on flywheel (14) and flywheel (15) can be by the fluted disc (17) of its drive.

2, the new drive device of bicycle according to claim 1 and three-wheel vehicle, it is characterized in that: change according to gear (7) and gear (11) ingear transmitting ratio that the part tooth is arranged on the gear that the part tooth is arranged on the circumference (5) and gear (13) and the circumference according to the angle between different needs two cranks, promptly by having the number of teeth number of the gear (7) of part tooth to decide on the number of teeth number of the gear that the part tooth is arranged on the circumference (5) and the circumference.

3, the new drive device of bicycle according to claim 1 and three-wheel vehicle is characterized in that: having on the circumference on the gear (5) of part tooth and gear (13), gear (11) and the circumference has the gear (7) of part tooth can exchange, be installed in respectively on axis (1) and the transmission shaft (3).

4, the new drive device of bicycle according to claim 1 and three-wheel vehicle is characterized in that: this device can oppositely be installed in the axle sleeve (16) of bicycle and three-wheel vehicle.

5, the new drive device of bicycle according to claim 1 and three-wheel vehicle is characterized in that: axis (1) and end axle (2) can be loaded onto simultaneously and drive the fluted disc (17) that trailing wheel rotates.

6, the new drive device of bicycle according to claim 1 and three-wheel vehicle is characterized in that: this device can all be installed in the axle sleeve (16).